IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 231 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2021. The put-call ratio across all filers is 0.20 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $3,000 | +50.0% | 239 | +9.6% | 0.00% | – |
| Q2 2021 | $2,000 | +100.0% | 218 | +69.0% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 129 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | 0.0% | 129 | -39.4% | 0.00% | – |
| Q3 2020 | $1,000 | – | 213 | +153.6% | 0.00% | – |
| Q2 2020 | $0 | -100.0% | 84 | -30.0% | 0.00% | – |
| Q1 2020 | $1,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q4 2019 | $1,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q3 2019 | $1,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q2 2019 | $1,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q1 2019 | $1,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q4 2018 | $1,000 | – | 120 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 1,520,000 | $19,562,000 | 18.54% |
| Sarissa Capital Management LP | 16,390,000 | $210,939,000 | 16.77% |
| Healthcare Value Capital, LLC | 200,000 | $2,574,000 | 5.13% |
| Camber Capital Management LP | 7,500,000 | $96,525,000 | 3.25% |
| 13D Management LLC | 650,455 | $8,371,000 | 2.88% |
| BRIDGER MANAGEMENT, LLC | 2,035,114 | $26,192,000 | 2.44% |
| Brown Capital Management | 18,484,759 | $237,899,000 | 1.80% |
| Healthcare Value Capital, LLC | 50,000 | $644,000 | 1.28% |
| Zebra Capital Management LLC | 53,359 | $687,000 | 0.80% |
| PRICE MICHAEL F | 520,000 | $6,692,000 | 0.74% |